Sentences with phrase «if seal populations»

It could also effect some fish stocks if seal populations rise significantly.

Not exact matches

The paper reviews population sizes and trends over time, if known, for each group, ranging from millions of ringed seals to fewer than a hundred beluga whales in Northern Canada's Ungava Bay.

«If it continues, if this is the new normal, the sea lion population and the fur seal population in California are going to have severe drops in their overall population,» Johnson saiIf it continues, if this is the new normal, the sea lion population and the fur seal population in California are going to have severe drops in their overall population,» Johnson saiif this is the new normal, the sea lion population and the fur seal population in California are going to have severe drops in their overall population,» Johnson said.

If you look at the shark attack statistics in California, where a few decades ago they went through a similar phenomenon with the seal populations responding to protection and white shark attacks on seals increasing, there was no similar trend in attacks on humans.»

If that occurs, the premature removal of protection offered by subnivean birth lairs may expose young ringed seal pups to high levels of predation, which may negatively affect populations of ringed seals and the polar bears that depend on them for food.

Some species of marine mammals will be able to take advantage of increases in prey abundance and spatial / temporal shifts in prey distribution toward or within their primary habitats, whereas some populations of birds and seals will be adversely affected by climatic changes if food sources decline or are displaced away from regions suitable for breeding or rearing of young.